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Kd44-Naka Tephra
Abbr.: Kd44-Nk
Synonym.: Naka Tephra (Shiga)
- Tephra
- Pleistocene (1.95 - 1.78 Ma)
- Correlation: Kg3 (Choshi, Chiba), Sig, Kiryu II Tephra
- Distribution: Boso peninsula, Chiba pref.
- Utsunomiya and Ooi (2019) Geology of the Kazusa-Ohara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 127p. (in Japanese with English abstract 4p.)
- Tamura et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.23-39 DOI
- Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)